What is oxidation?

Oxidation is the loss of electrons from a molecule, atom, or ion. This corresponds to an increase in the oxidation number of the molecule, atom, or ion.

TG

Related Chemistry A Level answers

All answers ▸

What is covalent character, how does it arise. List a compound it does affect and explain the resulting properties covalent character affects.


Methylpropene reacts with hydrogen bromide to form 2-bromo-2-methylpropane, draw the mechanism and state the major products.


When 80.0cm^3 of 0.500 M hydrochloric acid was added to 1.75g of impure CaCO3, not all HCl reacts. The unreacted HCl required 22.4 cm^3 of a 0.500 M solution of NaOH for complete reaction. Calculate percentage by mass of CaCO3 in the impure sample.


Explain why the second ionisation energy of boron is higher than the first ionisation energy of boron.